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Home >> Mercedes Benz >> 2021 >> GLS63 AMG >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Timing - 167 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install Upper Slide Timing Chain Rail - AR05.10-P-8421MSC

Remove/Install Upper Slide Timing Chain Rail - AR05.10-P-8421MSC

Engine 256.9 In Model 167 

MODIFICATION NOTES

26.02.2020 Bearing pin on crankcase cylinder head   BA05.10-P-1004-01MRT
Fig 1: Upper Slide Timing Chain Rail Components Location - Engine 256.9 In Model 167
G14785944Courtesy of MERCEDES-BENZ USA
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
CAUTION Risk of injury  to skin and eyes due to handling of engine oil. Risk of poisoning  caused by swallowing engine oil Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.
AS18.00-Z-0001-01A
REMOVINGINSTALLING Remove/install     
1 Remove the camshaft positioner of the intake camshaft.   AR05.20-P-7206MSC 
2 Remove bearing pin (5). TORQUE SPECIFICATION Bearing pin on crankcase cylinder head *BA05.10-P-1004-01MRT 
3 Detach upper slide rail (6) from bearing pin (7) in upward direction and remove.    
INSPECT Check     
4 Check upper slide rail (6) for wear and damage. If upper slide rail (6) is damaged.
↓
Replace upper slide rail (6).
 
5 Install in the reverse order.    
CAMSHAFT POSITIONER, TIMING CHAIN DRIVE

Number Designation Engine 256.9
BA05.10-P-1004-01MRT Bearing pin on crankcase cylinder head Nm 20